1. take a sample of 20 ml water pouring in bottles recycling flux. 2. fill the mail registry akhio sulfate 0.4 g shake together. 3. fill the solution 10 ml potassium Dai co rame. 4. put the glass ball (glass beads) 5-6 tablets to prevent severe boiling.5. additional intensive 30 ml sanfiorik acid into it.
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